202110011010 has 48 divisors (see below), whose sum is σ = 539688362616. Its totient is φ = 52439353344.

The previous prime is 202110010997. The next prime is 202110011041. The reversal of 202110011010 is 10110011202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 199431016929 + 2678994081 = 446577^2 + 51759^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 202110010983 and 202110011001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30343519 + ... + 30350178.

Almost surely, 2^202110011010 is an apocalyptic number.

202110011010 is an abundant number, since it is smaller than the sum of its proper divisors (337578351606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202110011010 is a wasteful number, since it uses less digits than its factorization.

202110011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60693747 (or 60693744 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 202110011010 its reverse (10110011202), we get a palindrome (212220022212).

The spelling of 202110011010 in words is "two hundred two billion, one hundred ten million, eleven thousand, ten".